CN103218077B - Optical filter module and comprise the touch display screen of this optical filter module - Google Patents
Optical filter module and comprise the touch display screen of this optical filter module Download PDFInfo
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- CN103218077B CN103218077B CN201310115431.8A CN201310115431A CN103218077B CN 103218077 B CN103218077 B CN 103218077B CN 201310115431 A CN201310115431 A CN 201310115431A CN 103218077 B CN103218077 B CN 103218077B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Human Computer Interaction (AREA)
- Position Input By Displaying (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Optical Filters (AREA)
Abstract
The present invention relates to a kind of optical filter module and comprise the touch display screen of this optical filter module.A kind of optical filter module, comprise substrate, described substrate comprises relative first surface and second surface, described first surface is provided with shading matrix and is distributed in the chromatic photoresist in described shading matrix, described shading matrix comprises cross one another ruling, described ruling intersection shaping lattice, described chromatic photoresist is formed in described grid, described second surface is provided with conductive layer, described conductive layer comprises the first conductive pattern and the second conductive pattern, described first conductive pattern and the spaced formation induction structure of described second conductive pattern, described conductive layer is coated with coated glue layer.Above-mentioned optical filter module can realize touch control operation and filtering functions simultaneously, display screen can be made to have touch controllable function for time in display screen, without the need to assembling one deck touch-screen on a display screen again, being conducive to the thickness reducing electronic product, can saving cost simultaneously.
Description
The present invention is the divisional application of former invention CN2013101087135, and the date of application of original application is: on March 30th, 2013, application number is: CN2013101087135, application title: optical filter module and comprise the touch display screen of this optical filter module.
Technical field
The present invention relates to electronic technology, particularly relate to optical filter module and comprise the touch display screen of this optical filter module.
Background technology
Touch-screen is the inductive arrangement that can receive Touching controlling lamp input signal.Touch-screen imparts the brand-new looks of information interaction, is extremely attractive brand-new information interaction equipment.The development of touch screen technology causes the common concern of domestic and international information medium circle, has become the Chaoyang new high-tech industry that photovoltaic industry is a dark horse.At present, there is the electronic product touching Presentation Function include display screen and be positioned at the touch-screen on display screen, but, touch-screen as with display screen independently assembly, when realizing the electronic product of man-machine interaction for some, all need to order according to the size of display screen, assemble again afterwards, the assembling of existing touch-screen and display screen mainly contains two kinds of modes, namely frame pastes and entirely fits, it is fitted at the edge of touch-screen and display screen that frame pastes, and full laminating is fitted at the lower surface of touch-screen and whole of the upper surface of display screen.
Display screen is as the composite module of polaroid, optical filter module, Liquid Crystal Module and TFT, have comparatively large and be difficult to the thickness that reduces, touch-screen is done and display screen independently component, when electronic product is assembled, not only need complicated packaging technology, also again can increase thickness and the weight of electronic product, moreover, many one packaging technologies, just mean and add the bad probability of product, greatly increase the production cost of product.
Summary of the invention
Based on this, be necessary to provide touch display screen and optical filter module thereof that a kind of thickness is less.
A kind of optical filter module, comprise substrate, described substrate comprises relative first surface and second surface, described first surface is provided with shading matrix and is distributed in the chromatic photoresist in described shading matrix, described shading matrix comprises cross one another ruling, described ruling intersection shaping lattice, described chromatic photoresist is formed in described grid, described second surface is provided with conductive layer, described conductive layer comprises the first conductive pattern and the second conductive pattern, described first conductive pattern and the spaced formation induction structure of described second conductive pattern, described conductive layer is coated with coated glue layer.
In an embodiment wherein, described first conductive pattern and described second conductive pattern comprise conductive grid, and described conductive grid is formed by conductive thread cross connection.
In an embodiment wherein, the projection of described conductive thread on described shading matrix row all drops on described ruling.
In an embodiment wherein, a grid cell of conductive grid is just to the grid of on shading matrix.
In an embodiment wherein, a grid cell of conductive grid is just to the multiple grids on shading matrix.
In an embodiment wherein, described conductive thread live width is less than the live width of described ruling.
In an embodiment wherein, described conductive thread is curve or broken line.
In an embodiment wherein, described conductive thread is made up of metal.
In an embodiment wherein, the live width of described conductive thread is 500nm ~ 5 μm.
In an embodiment wherein, described first conductive pattern and described second conductive pattern are the coat of metal acquisition being attached to described substrate second surface by etching, described coated glue layer is provided with patterned groove near the side of described second surface, and the first conductive pattern and the second conductive pattern are embedded in described groove.
In an embodiment wherein, the thickness of described first conductive pattern and described second conductive pattern is not more than the degree of depth of described groove.
In an embodiment wherein, the described coat of metal comprises at least one metal in silver, copper, zinc, gold, nickel.
In an embodiment wherein, the side of the first conductive pattern described in each is arranged with at least two spaced described second conductive patterns, the described second conductive pattern mutually insulated of the first conductive pattern both sides described in each.
In an embodiment wherein, also comprise conducting bridge, described conducting bridge is embedded in described coated glue layer, described conducting bridge comprises the lattice portion be made up of described conductive thread, described lattice portion and described first conductive pattern spaced on the thickness direction of described coated glue layer, the part between the described conducting bridge in described coated glue layer position and described first conductive layer forms described insulation course.
In an embodiment wherein, described conducting bridge comprises the conducting block being positioned at lattice portion two ends further, described lattice portion is formed by conductive thread cross connection and electrically conducts, and described conducting block extends to described second conductive pattern from the end of described lattice portion and described second conductive pattern electrically conducts.
In an embodiment wherein, the conductive thread of described conducting bridge is aimed at the ruling of described shading matrix.
In an embodiment wherein, described conducting block is aimed at the ruling of described shading matrix.
In an embodiment wherein, at least two conductive threads in the second conductive pattern corresponding to described conducting block cross-over connection.
A kind of touch display screen, comprise the TFT electrode, Liquid Crystal Module, optical filter module and the polaroid that superpose successively, described optical filter module is the optical filter module described in above-mentioned any one.
Above-mentioned optical filter module can realize touch control operation and filtering functions simultaneously, in display screen time, can directly make display screen have touch controllable function, without the need to assembling a touch-screen on a display screen, reduce the thickness of display screen, saving cost simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the touch display screen in an embodiment;
Fig. 2 is the structural representation of the optical filter module shown in Fig. 1;
Fig. 3 is the structural representation of the conductive layer in an embodiment;
Fig. 4 is the preparation process schematic diagram of the conductive layer in an embodiment;
Fig. 5 is the structural representation of the conductive layer in another embodiment;
Fig. 6 is the structural representation of the optical filter module of an embodiment;
Fig. 7 is the structural representation of the optical filter module of another embodiment;
Fig. 8 is the structural representation of the optical filter module of another embodiment;
Fig. 9 is the preparation process schematic diagram of the conductive grid in an embodiment;
Figure 10 is the structural representation of the optical filter module in another embodiment;
Figure 11 a is the structural representation of the conductive thread of an embodiment;
Figure 11 b is the structural representation of the conductive thread in another embodiment;
Figure 11 c is the structural representation of the conductive thread in another embodiment;
Figure 11 d is the structural representation of the conductive thread in another embodiment.
Embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
As shown in Figure 1, the touch display screen 100 of an embodiment, comprises the lower polaroid 10, TFT electrode 20, Liquid Crystal Module 30, public electrode 40, diaphragm 50, optical filter module 200 and the upper polaroid 60 that stack gradually.
Be appreciated that the LCDs being applicable to straight-down negative, side down light source, for what use backlight to be polarized light source, as OLED polarized light source, without the need to lower polaroid 10, only have upper polaroid 60.
In one embodiment, as shown in Figure 2, optical filter module 200 comprises substrate 21, shading matrix 23, chromatic photoresist 25, coated glue layer 27 and conductive layer 29.
Substrate 21 is generally glass or transparent membrane.Substrate 21 comprises relative first surface 212 and second surface 214.First surface 212 is provided with shading matrix 23, shading matrix 23 is the small grids formed by black out ink or shading resin or shading coating, grid comprises the ruling of square crossing, formed in each small grid and be provided with chromatic photoresist 25, being generally red (R), green (G), blue (B) photoresistance, being transformed into monochromatic light for making incident light.Second surface 214 is provided with coated glue layer 27 and is embedded at conductive layer 29 in coated glue layer 27.Conductive layer 29 comprises the first conductive pattern 292 and the second conductive pattern 294.In Fig. 2, conductive layer 29 is formed for nano impression, is mainly the conductive grid of conductive thread 22 formation that the conductive material be contained in coated glue layer 27 surface graphics groove is formed; Above-mentioned conductive material can be metal, carbon nano-tube, Graphene, organic conductive macromolecule and ITO, preferential nanometer silver paste.First conductive pattern 292 and the second conductive pattern 294 spaced formation induction structure on the extension direction of coated glue layer 27.
In one embodiment, conductive thread 22 and the ruling misalignment in shading matrix 23.For ensureing the light transmission of optical filter module 200, and then ensure the colour rendering of display screen, the live width of the conductive thread 22 of conductive grid, within the scope of 500nm ~ 5 μm, is visually transparent to make conductive grid.
Coated glue layer 27 is provided with patterned groove away from the side of substrate 21, and the first conductive pattern 292 and the second conductive pattern 294 are embedded in groove.The thickness of the first conductive pattern 292 and the second conductive pattern 294 is not more than the degree of depth of groove
In one embodiment, as shown in Figure 3, the first conductive pattern 292 and the second conductive pattern 294 that adopt above-mentioned stamping structure can be individual layer multipoint configurations.The side of each the first conductive pattern 292 is arranged with multiple the second spaced conductive pattern 294, the second conductive pattern 294 mutually insulated of each the first conductive pattern 292 both sides.The mesh shape of the first conductive pattern 292, second conductive pattern 294 also can be able to be random grid for regular grid.First conductive pattern 292, second conductive pattern 294 is equipped with the lead-in wire at guiding coated glue layer edge, and lead-in wire can be solid wire, also can be the mesh lines of grid arrangement composition.When going between as solid wire, lead-in wire is aimed at shading matrix 23.When going between as mesh lines, lead-in wire and shading matrix 23 can misalignment, also can aim at, should ensure mesh lines normal visually-clear during misalignment, and namely live width is within the scope of 500nm ~ 5 μm.
In one embodiment, stamping structure the first conductive pattern 292 and the second conductive pattern 294 and draw line forming method roughly as shown in Figure 4.
In one embodiment, as shown in Figure 5, the first conductive pattern 292 of stamping structure and the second conductive pattern 294 also can be the patterns of bridging structure, need to form bridging structure further after coining.Conductive layer 29 also comprises conducting bridge 296, conducting bridge 296 is located on described first conductive pattern 292, the second conductive pattern 294 being positioned at the relative both sides of the first conductive pattern 292 is electrically connected, between conducting bridge 296 and the first conductive pattern 292, is formed with insulation course 298.As shown in Figure 6, insulation course 298 and conducting bridge 296 all can be formed on the first conductive pattern 292 and the second conductive pattern 294 by fixed point inkjet printing transparent insulation and conductive material successively.
Conducting bridge 296 also can embed in coated glue layer 27, and in one embodiment, as shown in Figure 7, conducting bridge 296 is formed by impression.Can the grid conducting bridge of disposable impression arch, also the consent of conducting block 291 first first can be formed with photolithographic exposure consent, impression forms lattice portion groove again, insert conductive material for the last time and form the conducting bridge 296 with lattice portion and conducting block 291, at least two conductive threads in the second conductive pattern corresponding to conducting block 291 cross-over connection, to ensure the validity (if a wherein broken string, other still can conducting) of electrically overlap joint.
In one embodiment, conductive grid is that the coat of metal etching be attached on substrate 21 is formed, and then on conductive grid, forms coated glue layer 27.In stamping structure, first conductive pattern 292 and the second conductive pattern 294 are embedded at the side of coated glue layer 27 described substrate 21 dorsad, and in this enforcement, as shown in Figure 8, the first conductive pattern 292 and the second conductive pattern 294 are embedded at the side of coated glue layer 27 towards substrate 21.
In one embodiment, the forming method of the conductive grid of said structure roughly as shown in Figure 9.
The first conductive pattern 292 formed by coated metal and the second conductive pattern 294 may be used for individual layer multipoint configuration and bridging structure equally.In one embodiment, as shown in Figure 10, conducting bridge 296 is embedded in coated glue layer 27, conducting bridge 296 and the first conductive pattern 292 spaced on the thickness direction of coated glue layer 27, the part of coated glue layer 27 between conducting bridge 296 and conductive layer 29 forms insulation course 298, at least two conductive threads in the second conductive pattern 294 corresponding to conducting block 291 cross-over connection.
In one embodiment, as shown in Figure 11 a to 11d, conductive thread 22 in first conductive pattern 292 and the second conductive pattern 294 is just to the ruling in shading matrix 23, conductive thread 22 shading resin or ink projection in the plane just all drop on ruling, conductive thread 22 is blocked resin or ink blocks, the light transmission rate of optical filter module 200 can not be affected like this, ensure that the colour rendering of display screen, in addition, the thickness of conductive thread 22 to require also without requiring in visually-clear, as long as the thickness of conductive thread 22 is less than the thickness of shading resin or ink frame line.
In one embodiment, as shown in fig. lla, conductive grid is just rectangle, and each conductive grid grid cell is just to the grid of on shading matrix 23; In another embodiment, as shown in figure lib, a grid cell of each conductive grid is just to the multiple grids on shading matrix.
In one embodiment, as shown in Figure 11 c and 11d, conductive mesh ruling is not necessarily straight line, and also can be curve, broken line, namely the grid cell of conductive grid can be Random patterns, as long as conductive thread is blocked resin or ink blocks.Equally, also can a grid cell of each conductive grid just to the multiple filter unit grids on light shield layer, the sheet resistance of conductive pattern can be regulated easily with netting twine or broken line.
Tool of the present invention has the following advantages:
(1) optical filter module in the present invention can realize touch control operation and filtering functions simultaneously, as an assembly indispensable in display screen, for in display screen time, can display screen be directly made to have touch controllable function, without the need to assembling a touch-screen on a display screen again, not only be conducive to the thickness reducing electronic product, also greatly save material and assembly cost simultaneously.
(2) grid molding touch control conductive pattern is used in the present invention, visually-clear can be reached by the width of Controling network ruling and density, the material that conductive pattern is selected only expands all suitable conductive materials to transparent material by tradition, when conductive pattern selects metal material, resistance can be reduced greatly to reduce the energy consumption of touch-screen.
(3) conductive pattern is by pattern imprint shape one-shot forming grid, disposable turn of the technique of patterned etch (film forming-exposure-development-etching) sows group impressing mould, every a slice conductive pattern all can an imprinting moulding, mesh shape and pattern one-shot forming, without the need to the equal patterned etch of every a slice conductive pattern, enormously simplify manufacturing process, in addition, targetedly filled conductive material is carried out to embossed grooves after pattern imprint, instead of the formation of whole of base material etches again, a large amount of conductive materials can be saved like this, particularly using conductive material costly, during as ITO, cost savings are quite obvious.
(4) contact conductor in conductive pattern is network, blade coating is carried out when being convenient to filled conductive material, conductive material is more easily retained and is not wherein blown off, simultaneously, for nanometer silver paste, when sintering, agglomeration effect can not be produced and produce the ping-pong ball that scatters and cause the second contact conductor to rupture.
(5) conductive thread shading resin or ink projection in the plane just all drop on the ruling of shading matrix, conductive thread is blocked resin or ink blocks, the light transmission rate of display screen can not be affected like this, the thickness of conductive thread to require also without requiring in visually-clear, as long as the thickness of knot conductive thread is less than the thickness of shading resin or ink frame line, greatly can reduce the shaping technological requirement of conductive grid, to reduce production cost.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (18)
1. an optical filter module, comprise substrate, described substrate is glass or transparent membrane and described substrate comprises relative first surface and second surface, described first surface is provided with shading matrix and is distributed in the chromatic photoresist in described shading matrix, described shading matrix comprises cross one another ruling, described ruling intersects to form grid, described chromatic photoresist is formed in described grid, described chromatic photoresist is red, green, blue light hinders, it is characterized in that, described second surface is provided with conductive layer, described conductive layer is that nano impression is formed, described conductive layer comprises the first conductive pattern and the second conductive pattern, described first conductive pattern and the spaced formation induction structure of described second conductive pattern, described conductive layer is coated with coated glue layer, described first conductive pattern and described second conductive pattern are the coat of metal acquisition being attached to described substrate second surface by etching, described coated glue layer is provided with patterned groove near the side of described second surface, first conductive pattern and the second conductive pattern are embedded in described groove, described first conductive pattern and the described second conductive pattern described induction structure of spaced formation on the extension direction of described coated glue layer.
2. optical filter module as claimed in claim 1, it is characterized in that, described first conductive pattern and described second conductive pattern comprise conductive grid, and described conductive grid is formed by conductive thread cross connection.
3. optical filter module as claimed in claim 2, it is characterized in that, the projection of described conductive thread on described shading matrix all drops on described ruling.
4. optical filter module as claimed in claim 3, it is characterized in that, a grid cell of described conductive grid is just to the grid of on described shading matrix.
5. optical filter module as claimed in claim 3, it is characterized in that, a grid cell of described conductive grid is just to the multiple grids on described shading matrix.
6. optical filter module as claimed in claim 2, it is characterized in that, described conductive thread live width is less than the live width of described ruling.
7. the optical filter module as described in claim 2 or 6, is characterized in that, described conductive thread is curve or broken line.
8. optical filter module as claimed in claim 2, it is characterized in that, described conductive thread is made up of metal.
9. optical filter module as claimed in claim 2, it is characterized in that, the live width of described conductive thread is 500nm ~ 5 μm.
10. optical filter module as claimed in claim 1, it is characterized in that, the thickness of described first conductive pattern and described second conductive pattern is not more than the degree of depth of described groove.
11. optical filter module as claimed in claim 1, it is characterized in that, the described coat of metal comprises at least one metal in silver, copper, zinc, gold, nickel.
12. optical filter module as claimed in claim 11, it is characterized in that, the side of the first conductive pattern described in each is arranged with at least two spaced described second conductive patterns, the described second conductive pattern mutually insulated of the first conductive pattern both sides described in each.
13. optical filter module as described in claim 11 or 12, it is characterized in that, also comprise conducting bridge, described conducting bridge is embedded in described coated glue layer, described conducting bridge comprises the lattice portion be made up of described conductive thread, described lattice portion and described first conductive pattern spaced on the thickness direction of described coated glue layer, the part of described coated glue layer between described conducting bridge and described first conductive pattern forms insulation course.
14. optical filter module as claimed in claim 13, it is characterized in that, described conducting bridge comprises the conducting block being positioned at described lattice portion two ends further, described lattice portion is formed by conductive thread cross connection and electrically conducts, and described conducting block extends to described second conductive pattern from the end of described lattice portion and electrically conducts with described second conductive pattern.
15. optical filter module as claimed in claim 14, it is characterized in that, the conductive thread of described conducting bridge is aimed at the ruling of described shading matrix.
16. optical filter module as claimed in claim 14, it is characterized in that, described conducting block is aimed at the ruling of described shading matrix.
17. optical filter module as claimed in claim 14, is characterized in that, at least two conductive threads in described second conductive pattern corresponding to described conducting block cross-over connection.
18. 1 kinds of touch display screens, comprise the TFT electrode, Liquid Crystal Module, optical filter module and the polaroid that superpose successively, it is characterized in that, described optical filter module is the optical filter module in claim 1-17 described in any one.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310115431.8A CN103218077B (en) | 2013-03-30 | 2013-03-30 | Optical filter module and comprise the touch display screen of this optical filter module |
| US14/229,180 US20140293160A1 (en) | 2013-03-30 | 2014-03-28 | Filter module and touch screen having the same |
| TW103205343U TWM485451U (en) | 2013-03-30 | 2014-03-28 | Filter module and touch screen having the same |
| KR2020140002518U KR200480890Y1 (en) | 2013-03-30 | 2014-03-28 | Filter module and touch screen having the same |
| US15/223,368 US9977275B2 (en) | 2013-03-30 | 2016-07-29 | Filter module comprising first and second conductive patterns embedded in a patterned grooved surface of a coating layer and touch screen having the same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310115431.8A CN103218077B (en) | 2013-03-30 | 2013-03-30 | Optical filter module and comprise the touch display screen of this optical filter module |
| CN2013101087135A CN103425326A (en) | 2013-03-30 | 2013-03-30 | Optical filter module and touch display screen comprising same |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101087135A Division CN103425326A (en) | 2013-03-30 | 2013-03-30 | Optical filter module and touch display screen comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103218077A CN103218077A (en) | 2013-07-24 |
| CN103218077B true CN103218077B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310115431.8A Active CN103218077B (en) | 2013-03-30 | 2013-03-30 | Optical filter module and comprise the touch display screen of this optical filter module |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US20140293160A1 (en) |
| KR (1) | KR200480890Y1 (en) |
| CN (1) | CN103218077B (en) |
| TW (1) | TWM485451U (en) |
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| US9817525B2 (en) * | 2013-07-15 | 2017-11-14 | Novatek Microelectronics Corp. | Touch panel |
| CN103425342B (en) * | 2013-07-30 | 2016-09-21 | 南昌欧菲光科技有限公司 | One-layer multi-point touch control conductive film and one-layer multi-point touch control screen |
| CN103425343B (en) * | 2013-07-30 | 2016-09-21 | 南昌欧菲光科技有限公司 | One-layer multi-point touch control conductive film and one-layer multi-point touch control screen |
| CN104317448B (en) * | 2014-10-17 | 2017-10-20 | 昆山龙腾光电有限公司 | Touch control display apparatus and preparation method thereof |
| CN104375735B (en) * | 2014-12-05 | 2018-04-10 | 合肥鑫晟光电科技有限公司 | Contact panel and display device |
| CN106066720B (en) | 2015-04-22 | 2019-04-26 | 财团法人工业技术研究院 | Induction device |
| CN106066747A (en) | 2015-04-22 | 2016-11-02 | 财团法人工业技术研究院 | Optical film with touch control function |
| CN105094444A (en) * | 2015-08-24 | 2015-11-25 | 京东方科技集团股份有限公司 | Manufacturing method for touch panel, touch panel and touch display device |
| CN106843389B (en) | 2017-01-09 | 2022-08-05 | Oppo广东移动通信有限公司 | Electronic device |
| WO2019021835A1 (en) * | 2017-07-27 | 2019-01-31 | 富士フイルム株式会社 | Touch panel conductive member and touch panel |
| CN108153071B (en) | 2017-12-29 | 2020-12-11 | 惠州市华星光电技术有限公司 | Display panel, manufacturing method thereof and display device |
| CN108494909B (en) * | 2018-03-09 | 2020-03-20 | Oppo广东移动通信有限公司 | Electronic device and manufacturing method |
| CN108415602A (en) * | 2018-03-12 | 2018-08-17 | 武汉华星光电半导体显示技术有限公司 | A kind of preparation method of touch-control structure, OLED touch control display apparatus |
| CN108693994A (en) | 2018-03-29 | 2018-10-23 | 武汉华星光电半导体显示技术有限公司 | Touch-control structure, OLED show touch panel and touch control display device |
| CN109460164A (en) * | 2018-11-02 | 2019-03-12 | 京东方科技集团股份有限公司 | A kind of touch panel and display equipment |
| CN112764260B (en) * | 2021-01-15 | 2023-10-17 | Tcl华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN113772963B (en) * | 2021-09-13 | 2023-07-07 | 芜湖长信科技股份有限公司 | Double-sided circuit touch screen structure and preparation method thereof |
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- 2014-03-28 KR KR2020140002518U patent/KR200480890Y1/en active IP Right Grant
- 2014-03-28 TW TW103205343U patent/TWM485451U/en not_active IP Right Cessation
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2016
- 2016-07-29 US US15/223,368 patent/US9977275B2/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| TWM485451U (en) | 2014-09-01 |
| CN103218077A (en) | 2013-07-24 |
| KR20140005272U (en) | 2014-10-08 |
| US9977275B2 (en) | 2018-05-22 |
| US20160334661A1 (en) | 2016-11-17 |
| KR200480890Y1 (en) | 2016-07-19 |
| US20140293160A1 (en) | 2014-10-02 |
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